Home / 14,817.06-20,447.54-8,443.37

Finding the Fourth Proportional to 14,817.06, 20,447.54 and 8,443.37

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Solution

The fourth proportional to 14,817.06, 20,447.54 and 8,443.37 is: 11,651.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,817.06 : 20,447.54 = 8,443.37 : x
  2. Step 2: Convert to fraction form
    14,817.06/20,447.54 = 8,443.37/x
  3. Step 3: Cross multiply
    14,817.06x = 20,447.54 × 8,443.37
  4. Step 4: Simplify right side
    14,817.06x = 172,646,186.37
  5. Step 5: Solve for x
    x = 172,646,186.37/14,817.06
  6. Step 6: Final answer
    x = 11,651.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.